A t-shirt isn’t just a cotton garment, it’s a form of communication, a personal billboard that lets you get a message out to the world in a medium that offers the minimum of effort. Whether your geek tendencies lean towards gaming, Apple, space, film or social media…

Geoff Livingston co-founded Zoetica to focus on cause-related work, and released an award-winning book on new media Now is Gone in 2007. Addressing the very private nature of intimacy remains the most difficult aspect of sex-ed on the social web. While “Public Health 2.0″ is a top…

Chris Allison is a social media strategist at NeboWeb , where he helps clients make the most of the social web. You can follow him on Twitter as the voice behind @Neboweb . As social media marketing becomes more widely practiced, the questions of the day are less frequently focused on the benefits of…

We certainly wouldn’t advocate turning your office, cubicle or home office into some kind of over-the-top dork theme park, but a few witty items carefully placed here and there can brighten up the dullest work space with some geek chic. Having an office gives you the chance to display things you …

You’ve clearly made an educated decision in choosing the Firefox browser, so why not make further decisions about how it looks? As you may know, Firefox can give you a totally personalized browser experience, with plenty of options to customize its look and feel. We’ve trawled the plethora of …

This past week it seems Twitter was all about entertainment, with Justin Bieber, the Olympics, and the Jonas Brothers on the tips of everyone’s fingers. Our friends at What The Trend have provided an overview of the most tweeted topics this past week. Because this is a topical list, hashtag memes and games…

The magnitude-8.8 earthquake that rocked Chile early this morning was similar to many breaking-news events in that images from the disaster began spreading over social networks at lightning speed. Chileans have been uploading and sharing photos of the terremoto Chile via Twitter and Twitpic, many commenting on the state of their neighborhoods…

Geoff Livingston co-founded Zoetica to focus on cause-related work, and released an award-winning book on new media Now is Gone in 2007. Earlier this month, Pew Internet released its annual Future of the Internet report. The survey of 900 leaders forecasts the future direction of online media. In turn non-profit strategists can glean…

This post originally appeared on the American Express OPEN Forum , where Mashable regularly contributes articles about leveraging social media and technology in small business. Facebook is known for its uniformity. You can post all sorts of content, but the actual design and layout of your profile is the same as everyone…

Steve Cunningham is the CEO of Polar Unlimited , a digital marketing agency. In his book — Linchpin: Are You Indispensable? — Seth Godin poses a challenge: Take your gift, whatever it is, and use it to change the world. In the tradition of his previous books, Godin has not settled for a standard how-…